<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>web</title>
		<script type="text/javascript">
			alert(Math.pow(((23+Math.pow(5,7))/45),2));
			
			alert(Math.floor(Math.random()*10));
		</script>
	</head>
	<body>
		
	</body>
</html>